Related Clues:

• Add one's authority to
• Support; rear
• See one down
• Champion's mount cheated of first at winning post
• Support; footballer
• Surprisingly, he's a forward!
• Approve quarters adjoining witch's place
• Support; in return
• Forward Neil
• A running one, perhaps
• Support spine
• Back the animal that comes in last, commonly?
• Come to a stop with wretched sore back
• Approve, sanction
• Approve quarters attached to witch's place